19. If the radius of a sphere is doubled, then itsvolume becomes how m – InterviewSolution

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1.	19. If the radius of a sphere is doubled, then itsvolume becomes how many times the original
Answer» radius = 2rvolume = 4/3πr^3 = 4/3×π×(2r)^3 = 4/3×π×8r^3 = 8 × (4/3×πr^3)so , if radius is doubled then volume is 8 times of its original

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